Quit Keychain Access and restart your Mac. Again, your original keychain will simply be set aside when you reset your default keychain in this manner.

When the reader disabled iCloud Keychain on all their devices and re-enabled it, they weren’t prompted for the password on an old Mac again—or any passcode at all.

Once you deleted a password via Settings -> Passwords, it was gone from your iCloud Keychain for good. In iOS 17, that's changed, and now you have a limited window of opportunity to recover an ...